/* =========================================================
   Stardust Observatory — private writing desk
   Only loaded on admin.hoshikuzu.tech.
   ========================================================= */

body.admin {
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
}

.admin a {
  color: inherit;
}

.admin small {
  color: var(--muted);
  font-weight: 400;
}

/* ---------- Shared chrome ---------- */

.admin-top {
  position: relative;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 0.9rem;
  min-height: 3.7rem;
  padding: 0.65rem clamp(0.9rem, 2.5vw, 1.5rem);
  border-bottom: 1px solid color-mix(in srgb, var(--border) 75%, transparent);
  background: color-mix(in srgb, var(--bg) 90%, transparent);
  backdrop-filter: blur(16px);
}

.admin-brand {
  display: inline-flex;
  align-items: baseline;
  gap: 0.35rem;
  min-width: 0;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.admin-brand span {
  color: var(--sakura);
}

.admin-brand small {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.04em;
}

.admin-top__right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-left: auto;
}

.admin-user {
  color: var(--muted);
  font-size: 0.72rem;
}

.admin-eyebrow {
  margin: 0 0 0.35rem;
  color: var(--sakura);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.16em;
}

.admin-muted {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.65;
}

.admin-text-link,
.admin-text-button {
  color: var(--text-soft);
  font-size: 0.76rem;
  text-decoration: none;
  white-space: nowrap;
}

.admin-text-link:hover,
.admin-text-button:hover {
  color: var(--sakura);
}

.admin-text-button {
  padding: 0;
  border: 0;
  background: transparent;
}

.admin-logout {
  margin: 0;
}

.admin-primary,
.admin-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2rem;
  padding: 0.3rem 0.75rem;
  border-radius: 8px;
  font-size: 0.76rem;
  font-weight: 600;
  line-height: 1.4;
  white-space: nowrap;
}

.admin-primary {
  border: 1px solid transparent;
  background: linear-gradient(135deg, var(--sakura), var(--lavender));
  color: #160d1e;
  box-shadow: 0 6px 18px -12px var(--sakura);
}

[data-theme="dark"] .admin-primary {
  color: #170f24;
}

.admin-primary:hover {
  filter: brightness(1.06);
}

.admin-secondary {
  border: 1px solid color-mix(in srgb, var(--border-strong) 80%, transparent);
  background: color-mix(in srgb, var(--surface) 72%, transparent);
  color: var(--text-soft);
}

.admin-secondary:hover {
  border-color: color-mix(in srgb, var(--sakura) 45%, var(--border));
  color: var(--text);
}

.admin-primary--small,
.admin-secondary--small {
  min-height: 1.85rem;
  padding: 0.22rem 0.65rem;
  font-size: 0.72rem;
}

.admin-primary:disabled,
.admin-secondary:disabled {
  cursor: not-allowed;
  opacity: 0.45;
  filter: none;
}

.admin-alert {
  padding: 0.65rem 0.75rem;
  border: 1px solid color-mix(in srgb, var(--sakura) 38%, var(--border));
  border-radius: 9px;
  background: var(--sakura-soft);
  color: var(--sakura-strong);
  font-size: 0.8rem;
  line-height: 1.55;
}

/* ---------- Login ---------- */

.admin-login-page {
  display: grid;
  min-height: 100dvh;
  place-items: center;
  padding: 1.25rem;
}

.admin-login {
  width: min(25rem, 100%);
}

.admin-login__card {
  padding: clamp(1.5rem, 5vw, 2.4rem);
  border: 1px solid color-mix(in srgb, var(--border) 82%, transparent);
  border-radius: 20px;
  background: color-mix(in srgb, var(--surface) 78%, transparent);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.admin-login__card h1 {
  margin: 0;
  font-size: 1.55rem;
  letter-spacing: 0.02em;
}

.admin-login__hint {
  margin: 0.55rem 0 1.4rem;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.65;
}

.admin-login__foot {
  margin: 1.35rem 0 0;
  color: var(--muted);
  font-size: 0.75rem;
}

.admin-login__foot a:hover {
  color: var(--sakura);
}

/* ---------- Forms ---------- */

.admin-form {
  display: grid;
  gap: 1rem;
}

.admin-form--card {
  margin-top: 1.5rem;
  padding: clamp(1rem, 3vw, 1.5rem);
  border: 1px solid color-mix(in srgb, var(--border) 82%, transparent);
  border-radius: 16px;
  background: color-mix(in srgb, var(--surface) 68%, transparent);
  box-shadow: var(--shadow);
}

.admin-field {
  display: grid;
  gap: 0.35rem;
  color: var(--text-soft);
  font-size: 0.76rem;
}

.admin-field small {
  color: var(--muted);
  font-size: 0.68rem;
  line-height: 1.55;
}

.admin-field input,
.admin-field select,
.admin-filter input,
.admin-filter select {
  width: 100%;
  min-height: 2.25rem;
  padding: 0.38rem 0.6rem;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  background: color-mix(in srgb, var(--bg-soft) 86%, transparent);
  color: var(--text);
  font: inherit;
  font-size: 0.82rem;
}

.admin-field input:focus-visible,
.admin-field select:focus-visible,
.admin-filter input:focus-visible,
.admin-filter select:focus-visible {
  border-color: var(--sakura);
  outline: none;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--sakura) 18%, transparent);
}

.admin-form__actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 0.3rem;
}

/* ---------- List ---------- */

.admin-list {
  width: min(72rem, calc(100% - 2rem));
  margin: 0 auto;
  padding: clamp(1.5rem, 4vw, 3rem) 0 4rem;
}

.admin-list__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 1.8rem;
}

.admin-list__head h1,
.admin-narrow h1 {
  margin: 0;
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  letter-spacing: 0.02em;
}

.admin-filter {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  width: min(28rem, 100%);
}

.admin-filter input {
  flex: 1 1 12rem;
}

.admin-filter select {
  width: auto;
  min-width: 6rem;
}

.admin-post-list {
  display: grid;
  gap: 0.55rem;
}

.admin-post-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1rem;
  border: 1px solid color-mix(in srgb, var(--border) 78%, transparent);
  border-radius: 12px;
  background: color-mix(in srgb, var(--surface) 62%, transparent);
  transition: border-color 160ms ease, transform 160ms ease, background 160ms ease;
}

.admin-post-row:hover {
  border-color: color-mix(in srgb, var(--sakura) 38%, var(--border));
  background: color-mix(in srgb, var(--surface) 82%, transparent);
  transform: translateY(-1px);
}

.admin-post-row__main {
  display: grid;
  min-width: 0;
  gap: 0.2rem;
}

.admin-post-row__title {
  overflow: hidden;
  font-size: 0.9rem;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.admin-post-row__meta {
  overflow: hidden;
  color: var(--muted);
  font-size: 0.7rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.admin-badge {
  flex: 0 0 auto;
  padding: 0.12rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.64rem;
  font-weight: 600;
}

.admin-badge--draft {
  border-color: color-mix(in srgb, var(--amber) 38%, var(--border));
  background: var(--amber-soft);
  color: var(--amber-strong);
}

.admin-badge--published {
  border-color: color-mix(in srgb, var(--mint) 38%, var(--border));
  background: var(--mint-soft);
  color: var(--mint-strong);
}

.admin-empty {
  padding: 2rem 1rem;
  border: 1px dashed var(--border-strong);
  border-radius: 12px;
  color: var(--muted);
  font-size: 0.8rem;
  text-align: center;
}

.admin-narrow {
  width: min(44rem, calc(100% - 2rem));
  margin: 0 auto;
  padding: clamp(1.5rem, 4vw, 3rem) 0 4rem;
}

.admin-noscript {
  padding: 1rem;
}

/* ---------- Editor shell ---------- */

.admin-edit-page {
  display: flex;
  flex-direction: column;
  height: 100dvh;
  overflow: hidden;
}

.admin-top--edit {
  flex: 0 0 auto;
  min-width: 0;
}

.admin-back {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-soft);
  font-size: 1rem;
}

.admin-back:hover {
  border-color: var(--sakura);
  color: var(--sakura);
}

.admin-heading {
  display: grid;
  min-width: 0;
  gap: 0.12rem;
}

.admin-heading__title {
  overflow: hidden;
  font-size: 0.84rem;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.admin-heading__meta {
  overflow: hidden;
  color: var(--muted);
  font-size: 0.66rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.admin-live-link {
  color: var(--sakura);
  text-decoration: none;
}

.admin-live-link:hover {
  text-decoration: underline;
}

.admin-actions {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin-left: auto;
  min-width: 0;
}

.admin-save-status {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  white-space: nowrap;
}

.admin-save-status[data-tone="dirty"] {
  color: var(--amber);
}

.admin-save-status[data-tone="pending"] {
  color: var(--lavender);
}

.admin-save-status[data-tone="ok"] {
  color: var(--mint);
}

.admin-save-status[data-tone="error"] {
  color: var(--sakura);
}

.admin-main {
  display: grid;
  flex: 1 1 auto;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  min-height: 0;
}

.admin-pane {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
}

.admin-pane--edit {
  border-right: 1px solid color-mix(in srgb, var(--border) 72%, transparent);
  background: color-mix(in srgb, var(--bg) 62%, transparent);
}

.admin-pane--preview {
  background: color-mix(in srgb, var(--bg) 74%, transparent);
}

.admin-toolbar {
  display: flex;
  flex: 0 0 auto;
  flex-wrap: wrap;
  gap: 0.25rem;
  padding: 0.45rem 0.7rem;
  border-bottom: 1px solid color-mix(in srgb, var(--border) 72%, transparent);
  background: color-mix(in srgb, var(--surface) 55%, transparent);
}

.admin-tool {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2rem;
  min-height: 1.65rem;
  padding: 0.15rem 0.45rem;
  border: 1px solid transparent;
  border-radius: 7px;
  background: transparent;
  color: var(--text-soft);
  font-size: 0.72rem;
  line-height: 1.4;
  white-space: nowrap;
}

.admin-tool:hover {
  border-color: color-mix(in srgb, var(--sakura) 35%, var(--border));
  background: color-mix(in srgb, var(--sakura-soft) 65%, transparent);
  color: var(--text);
}

.admin-tool--mono {
  font-family: var(--font-mono);
  font-size: 0.68rem;
}

.admin-editor {
  flex: 1 1 auto;
  min-height: 0;
  overflow: hidden;
}

.admin-loading {
  margin: 0;
  padding: 1.25rem;
  color: var(--muted);
  font-size: 0.78rem;
}

.admin-editor .cm-editor {
  height: 100%;
  background: transparent;
}

.admin-editor .cm-editor.cm-focused {
  outline: none;
}

.admin-editor .cm-scroller {
  overflow: auto;
  scrollbar-width: thin;
  scrollbar-color: color-mix(in srgb, var(--lavender) 72%, var(--accent)) transparent;
}

.admin-editor .cm-scroller::-webkit-scrollbar,
.admin-preview::-webkit-scrollbar {
  width: 9px;
  height: 9px;
}

.admin-editor .cm-scroller::-webkit-scrollbar-thumb,
.admin-preview::-webkit-scrollbar-thumb {
  border: 2px solid transparent;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--lavender), var(--sakura));
  background-clip: padding-box;
}

.admin-preview-head {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 2.6rem;
  padding: 0.45rem 1rem;
  border-bottom: 1px solid color-mix(in srgb, var(--border) 72%, transparent);
  color: var(--text-soft);
  font-size: 0.74rem;
  font-weight: 600;
}

.admin-preview-hint {
  overflow: hidden;
  color: var(--muted);
  font-size: 0.64rem;
  font-weight: 400;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.admin-preview {
  flex: 1 1 auto;
  min-height: 0;
  overflow: auto;
  scrollbar-width: thin;
  scrollbar-color: color-mix(in srgb, var(--lavender) 72%, var(--accent)) transparent;
}

.admin-prose {
  max-width: 48rem;
  margin: 0 auto;
  padding: 1.5rem clamp(1rem, 3vw, 2rem) 4rem;
}

.admin-prose > :first-child {
  margin-top: 0;
}

/* markdown-it preview uses a plain <pre>; production adds Shiki. */
.admin-prose pre {
  margin: 1.6em 0;
  padding: 1rem 1.1rem;
  overflow-x: auto;
  border: 1px solid var(--code-border);
  border-radius: var(--radius-sm);
  background: var(--code-bar-bg);
}

.admin-prose pre code {
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font-size: 0.9rem;
  line-height: 1.7;
}

.admin-prose table {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  border-collapse: separate;
  border-spacing: 0;
  overflow: hidden;
}

.admin-prose th,
.admin-prose td {
  padding: 0.55em 0.75em;
  border-bottom: 1px solid var(--border);
  text-align: left;
}

.admin-prose tr:last-child td {
  border-bottom: 0;
}

.admin-prose th {
  background: var(--surface-2);
  color: var(--text-soft);
  font-weight: 600;
}

/* ---------- Mobile editor tabs ---------- */

.admin-tabs {
  display: none;
}

.admin-dialog {
  width: min(92rem, 94vw);
  height: min(56rem, 90vh);
  padding: 0;
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  background: var(--bg);
  color: var(--text);
  box-shadow: 0 30px 100px rgba(0, 0, 0, 0.55);
}

.admin-dialog::backdrop {
  background: rgba(4, 3, 12, 0.72);
  backdrop-filter: blur(4px);
}

.admin-dialog__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: 2.7rem;
  padding: 0 0.9rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-soft);
  font-size: 0.76rem;
  font-weight: 600;
}

.admin-dialog__actions {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-size: 0.7rem;
  font-weight: 400;
}

.admin-dialog__actions a:hover {
  color: var(--sakura);
}

.admin-dialog__actions button {
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--text-soft);
  font-size: 0.7rem;
}

#preview-frame {
  width: 100%;
  height: calc(100% - 2.7rem);
  border: 0;
  background: var(--bg);
}

.admin-toast {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 80;
  max-width: min(26rem, calc(100vw - 2rem));
  padding: 0.65rem 0.9rem;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  background: color-mix(in srgb, var(--surface) 94%, transparent);
  box-shadow: var(--shadow);
  color: var(--text-soft);
  font-size: 0.76rem;
  line-height: 1.5;
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 160ms ease, transform 160ms ease;
}

.admin-toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.admin-toast[data-tone="error"] {
  border-color: color-mix(in srgb, var(--sakura) 42%, var(--border));
  color: var(--sakura-strong);
}

.admin-toast[data-tone="ok"] {
  border-color: color-mix(in srgb, var(--mint) 42%, var(--border));
  color: var(--mint-strong);
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .admin-edit-page {
    padding-bottom: calc(3.1rem + env(safe-area-inset-bottom));
  }

  .admin-top--edit {
    flex-wrap: wrap;
    min-height: 0;
    padding: 0.55rem 0.75rem;
    gap: 0.45rem;
  }

  .admin-heading {
    flex: 1 1 10rem;
  }

  .admin-actions {
    flex: 0 0 100%;
    margin-left: 0;
    overflow-x: auto;
    padding-bottom: 0.1rem;
    scrollbar-width: none;
  }

  .admin-actions::-webkit-scrollbar {
    display: none;
  }

  .admin-actions > * {
    flex: 0 0 auto;
  }

  .admin-save-status {
    margin-right: auto;
  }

  .admin-main {
    grid-template-columns: minmax(0, 1fr);
  }

  .admin-pane--edit {
    border-right: 0;
  }

  .admin-pane--preview {
    display: none;
  }

  body.is-preview .admin-pane--edit {
    display: none;
  }

  body.is-preview .admin-pane--preview {
    display: flex;
  }

  .admin-toolbar {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0.2rem;
    padding: 0.4rem 0.55rem;
  }

  .admin-tool {
    width: 100%;
    min-height: 1.65rem;
    padding-inline: 0.25rem;
  }

  .admin-tabs {
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 30;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.35rem;
    height: calc(3.1rem + env(safe-area-inset-bottom));
    padding: 0.3rem 0.85rem calc(0.3rem + env(safe-area-inset-bottom));
    border-top: 1px solid color-mix(in srgb, var(--border) 78%, transparent);
    background: color-mix(in srgb, var(--bg) 94%, transparent);
    backdrop-filter: blur(16px);
  }

  .admin-tab {
    border: 1px solid transparent;
    border-radius: 9px;
    background: transparent;
    color: var(--muted);
    font-size: 0.76rem;
    font-weight: 600;
  }

  .admin-tab.is-active {
    border-color: color-mix(in srgb, var(--sakura) 30%, var(--border));
    background: color-mix(in srgb, var(--sakura-soft) 70%, transparent);
    color: var(--text);
  }

  .admin-list__head {
    display: grid;
    align-items: start;
  }

  .admin-filter {
    width: 100%;
  }

  .admin-login-page {
    padding: 1rem;
  }
}

@media (max-width: 560px) {
  .admin-top__right {
    gap: 0.5rem;
  }

  .admin-user {
    display: none;
  }

  .admin-list {
    width: calc(100% - 1.5rem);
  }

  .admin-post-row {
    align-items: flex-start;
  }

  .admin-post-row__title {
    white-space: normal;
  }

  .admin-dialog {
    width: 100vw;
    height: 100dvh;
    max-width: none;
    max-height: none;
    border-radius: 0;
  }
}